Effect of strain rate on tensile test results in hydrogen and other concerns [0.03%]
应变率对拉伸试验结果的影响及氢和其他问题的关系
M L Martin,Z N Buck,A C Eckhardt et al.
M L Martin et al.
Tensile tests of an X52 pipeline steel were conducted in air and in hydrogen gas at strain rates covering five orders of magnitude. Properties such as elastic modulus, yield strength, and ultimate tensile strength were unaffected by hydroge...
Quasi-static and dynamic fracture toughness of 316L stainless steel welds at cryogenic temperatures [0.03%]
316L不锈钢焊缝在低温条件下的准静态与动态断裂韧性
Jake T Benzing,Enrico Lucon,Nicholas Derimow et al.
Jake T Benzing et al.
This study investigates the cryogenic fracture toughness of four commercially welded 316L stainless steel plates using Charpy-sized single-edge bend [SE(B)] specimens and standard Charpy impact tests, under quasi-static and dynamic loading ...
Russell Spiewak,Gnana Saurya Vankayalapati,John M Considine et al.
Russell Spiewak et al.
Cellulose-based materials are increasingly finding applications in technology due to their sustainability and biodegradability. The sensitivity of cellulose fiber networks to environmental conditions such as temperature and humidity is well...
The Effect of Thin Film Adhesives on Mode I Interlaminar Fracture Toughness in Carbon Fiber Composites with Shape Memory Alloy Inserts [0.03%]
薄层胶粘剂对含形状记忆合金嵌件的碳纤维复合材料I型层间断裂韧性的影响
Derek J Quade,Sadhan C Jana,Gregory N Morscher et al.
Derek J Quade et al.
Shape Memory Alloy (SMA) was placed within Polymer Matrix Composite (PMC) panels alongside film adhesives to examine bonding. Double cantilever beam (DCB) testing was performed using ASTM D5528. C-scanning was performed before testing, moda...
Unification of hydrogen-enhanced damage understanding through strain-life experiments for modeling [0.03%]
基于应变-寿命试验的氢增强损伤作用机理统一认识及其建模研究
M L Martin,C Looney,P Bradley et al.
M L Martin et al.
Strain-life testing of a 4130 pressure vessel steel was conducted in hydrogen gas through the careful adaptation of an existing hydrogen-gas mechanical-testing apparatus. The strain-life mechanical results reveal that hydrogen has a signifi...
Liqiang Lin,Xiaodu Wang,Xiaowei Zeng
Liqiang Lin
An improved interfacial bonding model was proposed from potential function point of view to investigate interfacial interactions in polycrystalline materials. It characterizes both attractive and repulsive interfacial interactions and can b...
Computational modeling and simulation of spall fracture in polycrystalline solids by an atomistic-based interfacial zone model [0.03%]
基于原子间区域模型的多晶固体剥落断裂的计算模拟
Liqiang Lin,Xiaowei Zeng
Liqiang Lin
The focus of this work is to investigate spall fracture in polycrystalline materials under high-speed impact loading by using an atomistic-based interfacial zone model. We illustrate that for polycrystalline materials, increases in the pote...
Modeling of the variability of fatigue crack growth using cohesive zone elements [0.03%]
基于cohesive单元的疲劳裂纹扩展随机变异性模拟研究
P Beaurepaire,G I Schuëller
P Beaurepaire
By its nature, metal fatigue has random characteristics, leading to extensive scatter in the results. Both initiation and propagation of a fatigue crack can be seen as random processes. This manuscript develops a numerical analysis using co...
Determination of interfacial fracture toughness of bone-cement interface using sandwich Brazilian disks [0.03%]
采用夹层巴西盘法测定骨水泥界面的界面断裂韧性
J Tong,K Y Wong,C Lupton
J Tong
The long-term stability of cemented total hip replacements critically depends on the lasting integrity of the bond between bone and bone cement. Conventionally, the bonding strength of bone-cement is obtained by mechanical tests that tend t...
Statistical failure analysis of adhesive resin cement bonded dental ceramics [0.03%]
用于粘结牙用陶瓷的树脂水泥的统计失效分析研究
Yaou Wang,Noriko Katsube,Robert R Seghi et al.
Yaou Wang et al.
The goal of this work is to quantitatively examine the effect of adhesive resin cement on the probability of crack initiation from the internal surface of ceramic dental restorations. The possible crack bridging mechanism and residual stres...